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PC Glossary

Definitions of Computer and Internet Terms

Computer Terms Beginning with "B"

Backbone Just like the human backbone carries signals to many smaller nerves in the body, a network backbone carries data to...
Backside Bus There are two types of buses that carry data to and from a computer's CPU. They are the frontside bus and backside...
Backup Backup is the most important computer term you should know. A backup is a copy of one or more files created as an...
Bandwidth Bandwidth refers to how much data you can send through a network or modem connection. It is usually measured in bits...
Banner Ad Whether you like it or not, much of the Web is run by advertising. Just like television or radio, websites can offer...
Base Station The term "base station" was first used to refer to the towers you see on the side of the road that relay cell phone...
Baseband A baseband signal is an original transmission signal that has not be modulated, or has been demodulated to its original...
BASIC Stands for "Beginner's All-purpose Symbolic Instruction Code." BASIC is a computer programming language that was...
Batch File A batch file is a type of script that contains a list of commands. These commands are executed in sequence and can be...
Batch Process As most computer users know, some computing tasks can be tedious and repetitive. Fortunately, if a task is indeed...
Baud Contrary to popular belief, baud is not a direct measurement of data transfer speed, but instead it measures how many...
Bcc Stands for "Blind Carbon Copy." When you send an e-mail to only one person, you type the recipient's address in the...
Bespoke The term "bespoke" comes from England where it originally referred to custom or tailor-made clothing. In recent years...
Beta Software Before a commercial software program is released to the public, it usually goes through a "beta" phase. During this...
Binary Binary is a two-digit (Base-2) numerical system, which computers use to store data and compute functions. The reason...
Bing Bing is a search engine created by Microsoft. It evolved from "MSN Search," which was later renamed "Windows Live...
Biometrics Biometrics refers to technologies used to detect and recognize human physical characteristics. In the IT world...
BIOS Stands for "Basic Input/Output System." Most people don't need to ever mess with the BIOS on a computer, but it can be...
Bit The computer term "bit" comes from the phrase "Binary DigIT," which is different than that thing you put around a...
Bitmap Most images you see on your computer are composed of bitmaps. A bitmap is a map of dots, or bits (hence the name...
Bitrate Bitrate, as the name implies, describes the rate at which bits are transferred from one location to another. In other...
BitTorrent BitTorrent is a peer-to-peer (P2P) file sharing protocol designed to reduce the bandwidth required to transfer files...
Blob If you're like me, you picture a blob as a enigmatic green object that lacks a defined shape or size. In the computer...
Blog Short for "Web Log," this term refers to a list of journal entries posted on a Web page. Anybody who knows how to...
Blu-ray Blu-ray is an optical disc format such as CD and DVD. It was developed for recording and playing back high-definition...
Bluetooth This wireless technology enables communication between Bluetooth-compatible devices. It is used for short-range...
BMP Short for "Bitmap." It can be pronounced as "bump," "B-M-P," or simply a "bitmap image." The BMP format is a commonly...
Bookmark Similar to a real-life bookmark, an Internet bookmark acts as a marker for a Web site. (In Internet Explorer, they're...
Boolean This is the logic that computers use to determine if a statement is true or false. There are 4 main boolean operators...
Boot When you boot a football, you kick it really far. When you boot a computer, you simply turn it on. Kicking your...
Boot Disk A boot disk is actually not a computer disk in the shape of a boot. If it was, most disk drives would have a difficult...
Boot Sector A boot sector is the first section of a hard drive or other data storage media. It contains the master boot record...
Boot Sequence Each time a computer boots up, it goes through an initial series of processes. This sequence of events is aptly named...
Bot This is an automated software program that can execute certain commands when it receives a specific input (like a...
Botnet A botnet is a network of computers that are controlled from a single source. While some botnets are used for...
Bounce The term "bounce" has several different IT related meanings, yet none of them include bouncy balls. The most common...
bps Stands for "Bits Per Second." (The "b" is lowercase because it stands for bits, not bytes.) Bits per second is the...
Bridge When a road needs to extend across a river or valley, a bridge is built to connect the two land masses. Since the...
Broadband This refers to high-speed data transmission in which a single cable can carry a large amount of data at once. The most...
Buffer A buffer contains data that is stored for a short amount of time, typically in the computer's memory (RAM). The...
Bug In the computer world, a bug is an error in a software program. It may cause a program to unexpectedly quit or behave...
Burn When you "burn a disc," you write data on it. If you were taking an SAT test, the analogy would look something like...
Bus While the wheels on the bus may go "round and round," data on a computer's bus goes up and down. Each bus inside a...
Byte A byte is a set of 8 bits that represent a single character in the computer's memory. Do not confuse this term with...

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